Citation
Unknown. “Pinus bergiana [thunbergiana?]. White Bark Pine. Near [Hsiang Shau?], Hunting Park. Western Hills, [Chihli?], China. [August] 10, 1930. Photograph #45529..” Special Collections, USDA National Agricultural Library. Accessed December 2, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/382.